A:
Positive:
1 x 1533031437 x 2190044947 x 3261769131 x 1170253329 x 465967917 x 1671793557 x 430996157 x 24899
Negative:
-1 x -153303143-7 x -21900449-47 x -3261769-131 x -1170253-329 x -465967-917 x -167179-3557 x -43099-6157 x -24899
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 153,303,143, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 153,303,143 | |
| -1 | -153,303,143 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 153,303,143.
Example:
1 x 153,303,143 = 153,303,143
and
-1 x -153,303,143 = 153,303,143
Notice both answers equal 153,303,143
With that explanation out of the way, let's continue. Next, we take the number 153,303,143 and divide it by 2:
153,303,143 ÷ 2 = 76,651,571.5
If the quotient is a whole number, then 2 and 76,651,571.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 153,303,143 | |
| -1 | -153,303,143 |
Now, we try dividing 153,303,143 by 3:
153,303,143 ÷ 3 = 51,101,047.6667
If the quotient is a whole number, then 3 and 51,101,047.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 153,303,143 | |
| -1 | -153,303,143 |
Let's try dividing by 4:
153,303,143 ÷ 4 = 38,325,785.75
If the quotient is a whole number, then 4 and 38,325,785.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 153,303,143 | |
| -1 | 153,303,143 |
If you did it right, you will end up with this table:
| 1 | 7 | 47 | 131 | 329 | 917 | 3,557 | 6,157 | 24,899 | 43,099 | 167,179 | 465,967 | 1,170,253 | 3,261,769 | 21,900,449 | 153,303,143 |
| -1 | -7 | -47 | -131 | -329 | -917 | -3,557 | -6,157 | -24,899 | -43,099 | -167,179 | -465,967 | -1,170,253 | -3,261,769 | -21,900,449 | -153,303,143 |
Here are some more numbers to try:
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